Genetics Quiz Review Worksheet With Answers
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Genetics Quiz Review
Terms
Word Bank
Alleles
1. _________________ choosing plants or animals to cross in order to get desirable traits
(2 words)
Chromosome
2. _________________ an allele that only shows up when no dominant allele is present
Dominant
3. _________________ having two alleles that are the same
Fertilization
4. _________________ changing the DNA sequence to change a gene or move a
Gene
desirable gene from one organism to another (2 words)
Gene therapy
5. _________________ a characteristic that is passed from parent to offspring
Genetic engineering
6. _________________ a change in the DNA code that may or may not cause a change in
Heredity
a trait
Heterozygous
7. _________________ long strands of DNA that are made of many genes
Homozygous
8. _________________ an allele that always shows up when present
Mutation
9. _________________ sections of DNA that tend to move to new locations
Pedigree
10. _________________ curing genetic diseases by fixing defective genes in a patient (2
Pollination
words)
Punnett square
11. _________________ the transfer of pollen that leads to fertilization in plants
Recessive
12. _________________ a chart that shows the passing down of a trait across generations
Selective breeding
13. _________________ a portion of a chromosome that controls a trait
Trait
14. _________________ the passing of traits from one generation to the next
Transposon
15. _________________ a chart that helps determine the probability of a trait being
inherited (2 words)
16. _________________ the uniting of an egg and sperm that combines their genes
17. _________________ different forms or versions of a gene
18. _________________ having two alleles that are different
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